Switchboard - Turn your phone into a handsfree intercom
Houseparty - Brining empathy to online communication.
Rume - Video chat that doesn't feel like work
Tribe - Create highly targeted Twitter ad campaigns in 5 mins
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Stealthy: Secret Messenger - Chat anonymously with friends & strangers